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Father: John of Gaunt, 1st Duke of Lancaster
Born: 1339, Belgium
Marr: 1396
Died: 1398, England
Mother: Katherine de Roët
Born: 1350, Belgium
Died: 1403, England
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Father: Thomas Holland
Born: 1350
Marr:
Died: 1397, England
Mother:
Born:
Died:
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 | Marquess of Somerset & Marquess of Dorset - titles rescinded by John Beaufort, 1st Earl of Somerset 
Born: 1373 -
Marr: -
Died: 16 MAR 1409/10 -
Other Spouses:
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 | Margaret Holland 
Born: 1385 -
Died: 31 DEC 1439 - London, England
Other Spouses:
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 | 1. Joan Beaufort, Queen of Scotland Born: 1406 - Marr: - Died: 15 JUL 1445 - |  | 2. Edmund Beaufort, 2nd Duke of Somerset  Born: 1406 - Marr: - Died: 22 MAY 1455 - |  |
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 | 3. Margaret Beaufort, Countess of Devon Born: 1409 - Marr: 1430 - Thomas of Courtenay Died: 1449 - |  | 4. Henry Beaufort, 2nd Earl of Somerset  Born: 1401 - Marr: - Died: 25 NOV 1418 - |  |
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 | 5. Captain-General of Guyenne John Beaufort, 1st Duke of Somerset  Born: BEF 25 MAR 1404 - Marr: 1439 - Margaret Beauchamp, of Bletso Died: 27 MAY 1444 - |  | 6. Thomas Beaufort, Count of Perche  Born: 1405 - Marr: - Died: 1431 - |  |
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Father: Hugh of Courtenay
Born: 1389
Marr:
Died: 1422
Mother: Anne Talbot
Born: 1389
Died:
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Father: Marquess of Somerset & Marquess of Dorset - titles rescinded by John Beaufort, 1st Earl of Somerset
Born: 1373
Marr:
Died: 1409
Mother: Margaret Holland
Born: 1385
Died: 1439, England
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 | Thomas of Courtenay 
Born: 1414 -
Marr: BET 1430 AND 1440 -
Died: 1458 -
Other Spouses:
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 | Margaret Beaufort, Countess of Devon 
Born: 1409 -
Died: 1449 -
Other Spouses:
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 | 1. Eleanor Courtenay Born: ABT 1450 - Marr: - Died: - |  | 2. Elizabeth Courtenay Born: 1449 - Marr: - Sir Hugh Conway Died: - |  |
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 | 3. Matilda Courtenay Born: ABT 1452 - Marr: - Died: - |  | 4. Ann Courtenay Born: ABT 1451 - Marr: - Died: - |  |
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 | 5. John Courtenay Born: 1435 - Marr: - Died: 04 MAY 1471 - |  | 6. Thomas Courtenay Born: 1432 - Marr: - Died: 03 APR 1461 - |  |
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 | 7. Joan Courtenay  Born: 1447 - Stafford, Staffordshire, England Marr: - Roger Clifford (other spouses) Died: 02 DEC 1515 - Buckenham, Norfolk, England |  | 8. Henry Courtenay Born: BET 1436 AND 1446 - Marr: - Died: 17 JAN 1468/69 - Salisbury, Wiltshire, England |  |
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Father: Thomas Clifford, 8th Baron of Clifford
Born: 1413, England
Marr:
Died: 1455, England
Mother: Joan 7th Baroness DACRE
Born: 1415, England
Died: 1465, England
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Father: Thomas of Courtenay
Born: 1414
Marr: 1430
Died: 1458
Mother: Margaret Beaufort, Countess of Devon
Born: 1409
Died: 1449
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 | Roger Clifford 
Born: ABT 1437 - Conisbrough, Yorkshire, England
Marr: -
Died: ABT 1485 -
Other Spouses:
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 | Joan Courtenay 
Born: 1447 - Stafford, Staffordshire, England
Died: 02 DEC 1515 - Buckenham, Norfolk, England
Other Spouses:
William Knyvet
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